Lesson plan
Ichthyolith
. An ichthyolith (from Ancient Greek ἰχθύς (ikhthús), meaning "fish", and λίθος (líthos), meaning "stone") is any disarticulated remains of a fish found in the fossil record, most often a scale, denticle or tooth. Ichthyoliths are found in nearly all marine sediment. The term was coined by Doyle, Kennedy and Riedel (1974) to denote 'fish skeletal debris'. The term 'stratignathy', proposed in the same paper for the time relationships of ichthyoliths, did not gain currency.
Article summary
. An ichthyolith (from Ancient Greek ἰχθύς (ikhthús), meaning "fish", and λίθος (líthos), meaning "stone") is any disarticulated remains of a fish found in the fossil record, most often a scale, denticle or tooth. Ichthyoliths are found in nearly all marine sediment. The term was coined by Doyle, Kennedy and Riedel (1974) to denote 'fish skeletal debris'. The term 'stratignathy', proposed in the same paper for the time relationships of ichthyoliths, did not gain currency.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.